World Timezones

Changshu to Mumbai Converter

Compare Mumbai to Changshu instead
Changshu2:40 amSun, Jul 19
ChangshuCST
China · UTC+8
2:40 amSun, Jul 19
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
MumbaiIST
India · UTC+5:30
12:10 amSun, Jul 19
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p

Offset

The time difference between Changshu and Mumbai is 2.5 hours.

2.5 hours

Changshu (CST) is ahead of Mumbai (IST).

CST: UTC+8

IST: UTC+5:30

Neither Changshu nor Mumbai is currently observing daylight saving time.

When to schedule

Business-hours overlap: 12 PM–5 PM in Changshu (9 AM–2 PM in Mumbai).

Both teams are in working hours during this window on weekdays.

Suggested time: 2:00 PM Changshu (11:30 AM Mumbai).

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

China

  • New Year's DayThu, Jan 1
  • Chinese New Year (Spring Festival)Tue, Feb 17
  • Labour DayFri, May 1
  • Dragon Boat FestivalFri, Jun 19
  • Mid-Autumn FestivalFri, Sep 25
  • National DayThu, Oct 1

About these zones

Changshu uses China Standard Time (CST). To call China, dial +86.

Mumbai uses India Standard Time (IST). To call India, dial +91.

Mumbai is approximately 3,100 miles west of Changshu.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

ChangshuMumbaiDay
12:00 am9:30 pm-1 day
1:00 am10:30 pm-1 day
2:00 am11:30 pm-1 day
3:00 am12:30 amSame day
4:00 am1:30 amSame day
5:00 am2:30 amSame day
6:00 am3:30 amSame day
7:00 am4:30 amSame day
8:00 am5:30 amSame day
9:00 am6:30 amSame day
10:00 am7:30 amSame day
11:00 am8:30 amSame day
12:00 pm9:30 amSame day
1:00 pm10:30 amSame day
2:00 pm11:30 amSame day
3:00 pm12:30 pmSame day
4:00 pm1:30 pmSame day
5:00 pm2:30 pmSame day
6:00 pm3:30 pmSame day
7:00 pm4:30 pmSame day
8:00 pm5:30 pmSame day
9:00 pm6:30 pmSame day
10:00 pm7:30 pmSame day
11:00 pm8:30 pmSame day

Daylight saving time

Neither Changshu nor Mumbai observes daylight saving time. The offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Changshu
Sunrise
5:05 AM
Sunset
7:03 PM
Day length
13h 58m
Mumbai
Sunrise
6:11 AM
Sunset
7:20 PM
Day length
13h 8m

Daylight overlap: 10h 22m — 8:41 AM–7:03 PM in Changshu (6:11 AM–4:33 PM in Mumbai). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in China Standard Time

  • PVG
  • SHA
  • PEK
  • PKX
  • SZX
  • CAN
  • FUO
  • CTU
  • TFU
  • TSN

Airports in India Standard Time

  • BOM
  • NMI
  • DEL
  • BLR
  • HYD
  • AMD
  • MAA
  • CCU
  • STV
  • PNQ

Related conversions

Common conversions

What is 9:00 am Changshu in Mumbai?
9:00 am Changshu is 6:30 am Mumbai.
What is 12:00 pm Changshu in Mumbai?
12:00 pm Changshu is 9:30 am Mumbai.
What is 12:30 pm Changshu in Mumbai?
12:30 pm Changshu is 10:00 am Mumbai.
What is 2:00 pm Changshu in Mumbai?
2:00 pm Changshu is 11:30 am Mumbai.
What is 5:00 pm Changshu in Mumbai?
5:00 pm Changshu is 2:30 pm Mumbai.
What is 11:30 pm Changshu in Mumbai?
11:30 pm Changshu is 9:00 pm Mumbai.